<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <link rel="stylesheet" href="index.css" />
  </head>
  <body>
    <div class="container clearfix">
      <div class="leftarea fl">
        <div class="checkimgcontainer">
          <img src="./images/imgA_2.jpg" />
          <div class="mask"></div>
        </div>
        <div class="imglist">
          <ul >
            <li class="imgsmallitem">
              <img src="./images/imgA_1.jpg" alt="" />
            </li>
            <li class="imgsmallitem">
              <img src="./images/imgB_1.jpg" alt="" />
            </li>
            <li class="imgsmallitem">
              <img src="./images/imgC_1.jpg" alt="" />
            </li>
          </ul>
        </div>
      </div>

      <div class="rightarea fr"></div>
    </div>

    scr
  </body>
</html>
